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<title>Visibility Rule Structure</title>
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<h1>Hide</h1>

<p>Defines visibility for a report item for one output 
format.</p>

<h3>Description</h3>

<p>The visibility rule says when a report item should be 
hidden. It can be hidden based on the output type, an expression, or both. For 
example, the browser control is normally hidden in all output formats except 
HTML. A past-due item might be hidden if the account is not past due.</p>

<p>An item can be completely hidden (hidden in all formats), 
or hidden only in selected formats. An item hidden in all formats is never 
actually created in the Factory. An item hidden in selected formats is created, 
but will be omitted when rendered to the format for which it is hidden.</p>

<h3>See Also</h3>
<h2 class="property">format</h2>

<p>Identifies the format in which to hide the element.</p>

<h3>Choices</h3>
<ul>
<li>all: All output formats. 
    (Default if no format is given.)</li>

<li>viewer: Hide in the DHTML 
    viewer.</li>

<li>email: Hide when the report is 
    embedded in an e-mail.</li>

<li>print: Hide when printing the 
    report on the printer.</li>

<li>pdf: Hide in Adobe Acrobat 
    PDF files.</li>

<li>rtf: Hide in Microsoft Rich 
    Text Format (RTF) files.</li>

<li>excel: Hide when converting 
    the report to the Microsoft Excel format.</li>

<li>word: Hide when converting 
    the report to Microsoft Word.</li>

<li>powerpoint: Hide when converting 
    the report to Microsoft PowerPoint.</li>

</ul>
<h3>Description</h3>
<p>This property identifies the output format in which to 
hide the element. The element can be hidden in all output formats (using the 
&quot;All&quot; choice), or in a specific format. If the element is hidden in all formats, 
then it is not created in the Factory. Otherwise, is created, but is removed 
before rendering in the Presentation engine when converted to the target output 
format.</p>

<h3>See Also</h3>
<h2 class="property">valueExpr</h2>

<p>A Boolean expression that determines whether to hide the element 
in the target format.</p>

<h3>Description</h3>
<p>The Boolean expression to evaluate. If the expression 
evaluates to true, then the item is hidden. Defaults to true if no expression is 
given.</p>

<h3>See Also</h3>
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